<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */

/*
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
/*	public function authenticate()
	{
		$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);
		if(!isset($users[$this->username]))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if($users[$this->username]!==$this->password)
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
			$this->errorCode=self::ERROR_NONE;
		return !$this->errorCode;
	}
}

*/

class UserIdentity extends CUserIdentity
{
    private $id_usuarios;
	private $correo_electronico;
 
    public function authenticate()
    {
        $us=Usuarios::model()->find('correo_electronico=:correo_electronico',array(':correo_electronico'=>$this->username));
        if($us===null)
            $this->errorCode=self::ERROR_USERNAME_INVALID;
        else if($us->pass!==$us->validatePassword($this->password,$this->username))
            $this->errorCode=self::ERROR_PASSWORD_INVALID;
        else
        {
            $this->id_usuarios=$us->id_usuarios;
            $this->username=$us->correo_electronico;
            $this->errorCode=self::ERROR_NONE;
        }
        return $this->errorCode==self::ERROR_NONE;
    }
 
    public function getId()
    {
        return $this->id_usuarios;
    }
}